Seat belt restraining apparatus

A seat belt restraining apparatus for an automotive vehicle having a door, said apparatus comprising:

• a door frame constituted by a reinforcing bar which defines a windshield post, a longitudinal roof reinforcing post and a lateral roof post, said reinforcing bar including inner and outer sheet means connected by longitudinal lips;
• at least one upper lateral anchorage for one end of said belt and movably fixed in said door frame;
• a lower anchorage for the other end of said belt, said belt extending laterally with respect to said door;
• a guide support for said upper lateral anchorage, said guide support supported by said inner sheet means of said reinforcing bar;
• an anchorage block element affixed to said at least one upper lateral anchorage and movable in said guide support;
• a flexible, motor driven, rack in said guide support, said anchorage block element being fixed to said rack, said guide support including a tube within which said rack slides, said guide support having longitudinally spaced fastening elements, said fastening elements being engaged in openings in said guide support;
• whereby access to a seat is automatically freed when said door is opened and said belt automatically closes over the body of the seat occupant when said door is closed.